Ballwin, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Ballwin, Missouri had a total population of 31,279, the 21st largest city in Missouri, with a median household income of $124,626, which is 76% higher than the state average. The poverty rate is 4.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 76% above the state average — one of the wealthiest communities in Missouri.
- An exceptionally low poverty rate of 4.8% — among the lowest in Missouri.
- 65.2% of adults hold a bachelor's degree or higher — top 10% in Missouri.
Ballwin Quick Facts
How Ballwin Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 30,835 | 31,279 | +1.4% |
| Median household income | $121,170 | $124,626 | +2.9% |
| Median home value | $353,400 | $377,100 | +6.7% |
How Ballwin Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
Ballwin Rankings in Missouri
Explore Missouri Rankings
Other Cities in St. Louis County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Florissant | 51,773 | $65,318 | 10.1% | $148,800 |
| Chesterfield | 49,574 | $133,037 | 3.9% | $472,500 |
| Oakville | 35,333 | $106,362 | 6.4% | $318,600 |
| Wildwood | 35,133 | $161,060 | 2.2% | $495,800 |
| University City | 34,685 | $80,694 | 14.5% | $306,700 |
| Mehlville | 29,805 | $67,071 | 7.8% | $218,400 |
| Kirkwood | 29,363 | $121,270 | 5.3% | $451,400 |
| Maryland Heights | 27,880 | $86,436 | 4.7% | $227,000 |
| Hazelwood | 25,114 | $55,908 | 15.9% | $167,400 |
| Webster Groves | 23,712 | $115,227 | 4.2% | $387,600 |
Cities Similar to Ballwin
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kirkwood | 29,363 | $121,270 | $451,400 | 67.9% | 5.3% |
| Liberty | 30,689 | $88,542 | $283,300 | 39.6% | 7.0% |
| Oakville | 35,333 | $106,362 | $318,600 | 44.1% | 6.4% |
| Wildwood | 35,133 | $161,060 | $495,800 | 68.8% | 2.2% |
| Maryland Heights | 27,880 | $86,436 | $227,000 | 51.2% | 4.7% |
Population Overview
Ballwin is a mid-sized community located in Missouri, within St. Louis County. The total population is 31,279. It ranks as the 21st most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Ballwin is 42.6 years. This is 9% higher than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Ballwin is $124,626. This is 76% higher than the state median of $70,702. It is also 54% higher than the national median of $80,734. The poverty rate stands at 4.8%. This is 62% lower than the state poverty rate of 12.6%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 2.9%. This is 27% lower than the state rate of 4.0%. The median home value is $377,100. Housing costs are 64% higher than the state median of $230,300. The home-value-to-income ratio is 3.0x. 84.2% of occupied housing units are owner-occupied. This homeownership rate is 24% higher than the state average of 68.1%.
Race & Ethnicity
The largest racial or ethnic group in Ballwin is White (non-Hispanic), making up 75.0% of the population. Asian residents account for 8.9%. The Black or African American population (2.8%) is well below the state average of 10.9%. The Asian population is significantly higher than the state average (8.9% vs 2.1%).
Education
65.2% of residents aged 25 and older hold a bachelor's degree or higher. This places Ballwin in the top 10% of all cities in the state for educational attainment. This is 101% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.8%. Notably, 22.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Ballwin, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Ballwin, Missouri?
Ballwin, Missouri has a population of 31,279 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Ballwin, MO?
The median household income in Ballwin is $124,626, which is 54% higher than the national median of $80,734.
What is the poverty rate in Ballwin, MO?
The poverty rate in Ballwin is 4.8%. This means approximately 1,496 residents live below the federal poverty line.
What is the racial makeup of Ballwin, Missouri?
Ballwin's population is 75.0% White, 2.8% Black, 4.1% Hispanic/Latino, and 8.9% Asian.
What is the median home value in Ballwin, MO?
The median home value in Ballwin is $377,100. The home-value-to-income ratio is 3.0x.
How educated is Ballwin, Missouri?
65.2% of adults (25+) in Ballwin hold a bachelor's degree or higher, and 22.6% hold a graduate or professional degree.